Finding the Fourth Proportional to 89,861.06, 134,790.78 and 34,457.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,861.06 : 134,790.78 = 34,457.06 : x
2. Step 2: Convert to fraction form
   89,861.06/134,790.78 = 34,457.06/x
3. Step 3: Cross multiply
   89,861.06x = 134,790.78 × 34,457.06
4. Step 4: Simplify right side
   89,861.06x = 4,644,493,993.91
5. Step 5: Solve for x
   x = 4,644,493,993.91/89,861.06
6. Step 6: Final answer
   x = 51,685.28